lavsluzWhich spelling fits?

Quick tell: la is a article, luz is a noun, so they fill different roles in a sentence.

Which to use

“la” is an article and “luz” is a noun - they look or sound alike but fill different roles in a sentence.

#2
“la” frequency rank
#469
“luz” frequency rank
471
confusion score

Side-by-Side Comparison

Feature la luz
Definition Artículo determinado femenino singular. Radiación electromagnética visible al ojo humano.

Where the eye mixes la and luz

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

2 ch
la
3 ch
luz

Look-alike desk: la vs luz

These two trip readers on the page rather than in the ear: la is [la] while luz is [ˈlus]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (article vs noun), which is usually the fastest check. Our composite confusion score for this pair is 471, derived from the frequency rank of both members and their visual similarity.

la is recorded at frequency rank #2, classified as anarticle, pronounced [la]. luz is at rank #469, tagged as anoun, pronounced [ˈlus].

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 471, this pair ranks #323,376 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of la vs luz

Shared letters: l. Private to "la": a. Private to "luz": uz.

"la" · 2 letters · shape CV  ·  "luz" · 3 letters · shape CVC

Frequently Asked Questions

Do "la" and "luz" mean the same thing in a sentence?
No - they are not even the same part of speech. "la" is an article and "luz" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "la" or "luz" show up more?
"la" is the more common of the two: it sits at frequency rank #2 in our Spanish list, against #469 for "luz". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "la" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "luz" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #323,376 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "la" and "luz" also get mixed up with nearby pairs, the highest-scored neighbour is "lac vs luz". Nearby pair

Confusion rank #323,376 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list